| /**************************************************************** |
| * Licensed to the Apache Software Foundation (ASF) under one * |
| * or more contributor license agreements. See the NOTICE file * |
| * distributed with this work for additional information * |
| * regarding copyright ownership. The ASF licenses this file * |
| * to you under the Apache License, Version 2.0 (the * |
| * "License"); you may not use this file except in compliance * |
| * with the License. You may obtain a copy of the License at * |
| * * |
| * http://www.apache.org/licenses/LICENSE-2.0 * |
| * * |
| * Unless required by applicable law or agreed to in writing, * |
| * software distributed under the License is distributed on an * |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * |
| * KIND, either express or implied. See the License for the * |
| * specific language governing permissions and limitations * |
| * under the License. * |
| ****************************************************************/ |
| |
| package org.apache.james.mime4j.field; |
| |
| import java.io.StringReader; |
| |
| import org.apache.james.mime4j.MimeException; |
| import org.apache.james.mime4j.codec.DecodeMonitor; |
| import org.apache.james.mime4j.dom.FieldParser; |
| import org.apache.james.mime4j.dom.field.MimeVersionField; |
| import org.apache.james.mime4j.field.mimeversion.parser.MimeVersionParser; |
| import org.apache.james.mime4j.field.mimeversion.parser.ParseException; |
| import org.apache.james.mime4j.stream.Field; |
| |
| /** |
| * Represents a <code>MIME-Version</code> field. |
| */ |
| public class MimeVersionFieldImpl extends AbstractField implements MimeVersionField { |
| |
| public static final int DEFAULT_MINOR_VERSION = 0; |
| public static final int DEFAULT_MAJOR_VERSION = 1; |
| |
| private boolean parsed = false; |
| private int major = DEFAULT_MAJOR_VERSION; |
| private int minor = DEFAULT_MINOR_VERSION; |
| private ParseException parsedException; |
| |
| MimeVersionFieldImpl(Field rawField, DecodeMonitor monitor) { |
| super(rawField, monitor); |
| } |
| |
| private void parse() { |
| parsed = true; |
| major = DEFAULT_MAJOR_VERSION; |
| minor = DEFAULT_MINOR_VERSION; |
| String body = getBody(); |
| if (body != null) { |
| StringReader reader = new StringReader(body); |
| MimeVersionParser parser = new MimeVersionParser(reader); |
| try { |
| parser.parse(); |
| int v = parser.getMajorVersion(); |
| if (v != MimeVersionParser.INITIAL_VERSION_VALUE) { |
| major = v; |
| } |
| v = parser.getMinorVersion(); |
| if (v != MimeVersionParser.INITIAL_VERSION_VALUE) { |
| minor = v; |
| } |
| } catch (MimeException ex) { |
| parsedException = new ParseException(ex); |
| } |
| } |
| } |
| |
| public int getMinorVersion() { |
| if (!parsed) { |
| parse(); |
| } |
| return minor; |
| } |
| |
| public int getMajorVersion() { |
| if (!parsed) { |
| parse(); |
| } |
| return major; |
| } |
| |
| @Override |
| public org.apache.james.mime4j.dom.field.ParseException getParseException() { |
| return parsedException; |
| } |
| |
| public static final FieldParser<MimeVersionField> PARSER = new FieldParser<MimeVersionField>() { |
| |
| public MimeVersionField parse(final Field rawField, final DecodeMonitor monitor) { |
| return new MimeVersionFieldImpl(rawField, monitor); |
| } |
| |
| }; |
| |
| } |